---
title: "SellScale MCP server"
url: "https://martechdb.com/vendors/sellscale"
markdown_url: "https://martechdb.com/vendors/sellscale.md"
api_url: "https://martechdb.com/api/v1/vendors/sellscale.com"
updated: "2026-10-01"
---

# SellScale MCP server

Yes. SellScale publishes an official MCP server at https://mcp.sellscale.com/mcp. It's hosted and lets you sign in with your SellScale account. We last checked it on 2 Oct 2026. MartechDB lists only servers the vendor publishes itself, never community servers.

- Website: [sellscale.com](https://sellscale.com)
- Categories: [Sales outreach](https://martechdb.com/categories/sales-outreach.md)

## SellScale MCP server

- Address: https://mcp.sellscale.com/mcp
- Runs: Hosted
- Sign-in: Self-serve sign-in (`oauth_self_serve`)
- Official MCP Registry: not listed
- How we know it's official: Live check of the vendor's own web address
- First seen: 2026-10-01
- Last checked: 2026-10-02
- Recent checks: 4 of the last 4 reachable

Tools: not known. The server needs sign-in before it lists them.

### Connect it

Claude Code:

```sh
claude mcp add --transport http sellscale https://mcp.sellscale.com/mcp
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=sellscale&config=eyJ1cmwiOiJodHRwczovL21jcC5zZWxsc2NhbGUuY29tL21jcCJ9>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22sellscale%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fmcp.sellscale.com%2Fmcp%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://mcp.sellscale.com/mcp
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://mcp.sellscale.com/mcp

JSON for Cursor, Windsurf and other clients that connect to hosted servers:

```json
{
    "mcpServers": {
        "sellscale": {
            "type": "http",
            "url": "https://mcp.sellscale.com/mcp"
        }
    }
}
```

## Questions

### Does SellScale have an official MCP server?

Yes. SellScale publishes its MCP server itself. Its address is on SellScale's own domain (mcp.sellscale.com). MartechDB only lists servers a vendor publishes, never community copies.

### What is the SellScale MCP server URL?

The address is https://mcp.sellscale.com/mcp.

### Does the SellScale MCP server need an API key?

No. You sign in with your SellScale account (OAuth), and your AI client handles the rest.

### How do I connect SellScale MCP to Claude, ChatGPT or Cursor?

In Claude, add https://mcp.sellscale.com/mcp as a custom connector (Customize, Connectors, Add custom connector). In ChatGPT, turn on developer mode (Settings, Apps, Advanced settings) and create an app with the same address. In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http sellscale https://mcp.sellscale.com/mcp

### Is the SellScale MCP server in the official MCP Registry?

No. SellScale hasn't published it to the official MCP Registry.

### Is the SellScale MCP server working?

Yes. It answered our most recent check. We last checked it on 2 Oct 2026.

## Alternatives with an official MCP server

In Sales outreach:

- [SalesLoft](https://martechdb.com/vendors/salesloft.md) (salesloft.com)
- [Outreach](https://martechdb.com/vendors/outreach.md) (outreach.io)
- [Lemlist](https://martechdb.com/vendors/lemlist.md) (lemlist.com)
- [Kixie](https://martechdb.com/vendors/kixie.md) (kixie.com)

## Get this data

- API: `curl https://martechdb.com/api/v1/vendors/sellscale.com`
- MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about SellScale.
- Web page: https://martechdb.com/vendors/sellscale